The most difficult Amerindi­ans riddles

Arizona is the place of the Apache resistance. It became a U.S. state on February 14, 1912, marking the end of the territorial colonization of Continental North America.

Many words from Nahuatl (like tomato, chocolate, chilli, avocado and coyote) have been borrowed into Spanish, and since diffused into hundreds of other languages. Nahuatl is still spoken in Mexico. You can browse Wikipedia in Nahuatl at http://nah.wikipedia.org/.

The population of Bolivia is only 10 million and 88% of Bolivians speak Spanish. Nevertheless, the country has 37 official languages, including many indigenous ones, such as Quechua, Aymara, Guarani and 34 others. These include Bauré, a nearly extinct Arawakan language spoken by only 13 of 200 ethnic tribal Baure people.

Quechua had already expanded across wide ranges of the central Andes even long before the Incas. Today, the language and its vocabulary are still popular in the Andes. In rural Bolivia, many Quechua words are as commonly used as their Spanish counterparts, even in entirely Spanish-speaking areas.

The city is located at the elevation of 3,400 m (11,200 ft). In 2007, it had a population of 358,935. The Spanish conquistadors adopted the local name, transliterating it into Spanish as Cuzco. In 1976, it was changed to Cusco, and in 1990, to Qosqo. However, older spelling (with the most common Cuzco) is also accepted.